Finding the Fourth Proportional to 268,777.42, 403,415.58 and 135,751.06
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Solution
The fourth proportional to 268,777.42, 403,415.58 and 135,751.06 is: 203,752.58
Step by Step Solution
- Step 1: Write the proportion equation
268,777.42 : 403,415.58 = 135,751.06 : x - Step 2: Convert to fraction form
268,777.42/403,415.58 = 135,751.06/x - Step 3: Cross multiply
268,777.42x = 403,415.58 × 135,751.06 - Step 4: Simplify right side
268,777.42x = 54,764,092,605.51 - Step 5: Solve for x
x = 54,764,092,605.51/268,777.42 - Step 6: Final answer
x = 203,752.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.